her energy is infectious. and her body, seemingly flawless. >> that's what we want. woo. >> reporter: she's best known as the vivacious co-host on "dancing with the stars." >> good luck. here's your scores. >> reporter: but brooke burke had other important results to deal with this year. in november, tests showed she had thyroid cancer. so, the 41-year-old mother of four took to the web, chronicling her journey. she first posted this video, titled, cancer? me? on her modern mom blog. >> i need to have thyroid surgery and have a thyroidectomy, which means that i'm going to have a nice, big scar right here, across my neck. >> reporter: the surgery took place december 5th. the same day, brooke tweeted this photo. last look at my neck. here we go. and not long after the operation, brooke wrote, i'm resting. recovering. surgery went well. feels like i got hit by a car. but one week later, brooke got a clean bill of health. sharing the news, again, on her blog. the thyroid cancer has been removed from my body. and all of my lymph nodes are clear. now, in the new year, broo